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  • Powers 3/4" Coil Thread Purple Wood-Knocker (Box of 150) 7568


    Wood-Knocker Concrete Inserts are installed onto wooden forms used to support a newly poured concrete floor slabs, roof slabs or walls. When the forms are stripped, the color-coded flange is easily seen embedded in the concrete surface allowing attachment of steel threaded rod or threaded bolts in sizes ranging from 1/4 to 3/4 in diameter.  The hex impact plate offers resistance to rotation within the concrete as a steel threaded rod or threaded bolt is being installed.

    General Applications and Uses:
    • Hanging Pipe and Sprinkler Systems
    • Lighting Systems and Overhead Utilities
    • Suspended Ceilings
    • Suspending Conduit and Cable Trays
    • HVAC Ductwork and Strut Channels
    • Concrete Formwork